/Engine/Source/Runtime/Engine/Classes/Engine/Brush.h
Called to see if any of the levels need rebuilding
true if the csg needs to be rebuilt on the next editor tick.
static bool NeedsRebuild ( [TArray](API\Runtime\Core\Containers\TArray)< [TWeakObjectPtr](API\Runtime\Core\UObject\TWeakObjectPtr)< [ULevel](API\Runtime\Engine\Engine\ULevel) > > * OutLevels )